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The area of the base of a prism is 70 mm2. The perimeter of the base is 50 mm. The height of the prism is 9 mm. What is the surface area of the prism? A. 129 mm2 B. 520 mm2 C. 590 mm2 D. 730 mm2
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3 votes
The area of the base of a prism is 70 mm2. The perimeter of the base is 50 mm. The height of the prism is 9 mm.

What is the surface area of the prism?

A.
129 mm2

B.
520 mm2

C.
590 mm2

D.
730 mm2

User Kiwon
by
7.7k points

1 Answer

5 votes
The surface area of a prism is the sum of the lateral area plus the area of the two bases.

LA = p * h

p is the perimeter of the base

For your prism

SA = 2(70) + 50 * 9 = 590 mm^2 <-----OPTION C

Hope this answers the question,
User Idanzalz
by
6.9k points
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